/**
 * \file Pic.h
 * \brief Programmable interrupt controller
 * \author Corey Tabaka
 */

/*
   Copyright 2006 Corey Tabaka

   Licensed under the Apache License, Version 2.0 (the "License");
   you may not use this file except in compliance with the License.
   You may obtain a copy of the License at

       http://www.apache.org/licenses/LICENSE-2.0

   Unless required by applicable law or agreed to in writing, software
   distributed under the License is distributed on an "AS IS" BASIS,
   WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
   See the License for the specific language governing permissions and
   limitations under the License.
*/

#include <ktypes.h>

#ifndef __KERNEL_PIC_H__
#define __KERNEL_PIC_H__

// PIC remap bases
#define PIC1_BASE 0x20
#define PIC2_BASE 0x28

class Pic {
	protected:
	
	Pic(void);
	~Pic(void);
	
	public:
	
	static void initialize(void);
	
	static void enable(uint8 irq, bool enable);
	static void disableAllIRQs(void);
	static bool isPending(uint8 irq);
	static bool isLevel(uint8 irq);
	
	static bool isOwned(uint8 interrupt);
	
	static void issueEOI(uint8 interrupt);
};

#endif
